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Matt Fleming f826466772 sh: Delete DWARF_ARCH_UNWIND_OFFSET 
Trying to figure out the best value for DWARF_ARCH_UNWIND_OFFSET is
tricky at best. Various things can change the size (and offset from the
beginning of the function) of the prologue. Notably, turning on ftrace
adds calls to mcount at the beginning of functions, thereby pushing the
prologue further into the function.

So replace DWARF_ARCH_UNWIND_OFFSET with some code that continues to
execute CFA instructions until the value of return address register is
defined. This is safe to do because we know that the return address must
have been pushed onto the frame before our first function call; we just
can't figure out where at compile-time.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 		2009-08-14 05:00:21 +09:00
..
.gitignore sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
Kbuild byteorder: make swab.h include asm/swab.h like a regular header 2009-01-14 19:56:50 -08:00
adc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
addrspace.h sh: Support fixed 32-bit PMB mappings from bootloader. 2009-03-10 15:49:54 +09:00
atomic-grb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
atomic-irq.h sh: Make the atomic functions safe for irqsoff tracing 2009-06-15 00:31:17 +09:00
atomic-llsc.h sh: Fix sh4a llsc-based cmpxchg() 2009-06-11 09:31:55 +03:00
atomic.h sh: Use generic atomic64_t implementation. 2009-06-17 10:43:13 +09:00
auxvec.h sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. 2008-07-29 23:12:25 +09:00
bitops-grb.h sh: Convert to generic bitops for IRQ-toggling implementation. 2008-12-22 18:42:53 +09:00
bitops-llsc.h sh: Relax inline assembly constraints 2009-01-29 11:57:09 +09:00
bitops-op32.h sh: Provide optimized non-atomic bitops for SH-2A. 2008-12-22 18:42:54 +09:00
bitops.h sh: Provide optimized non-atomic bitops for SH-2A. 2008-12-22 18:42:54 +09:00
bitsperlong.h asm-generic: introduce asm/bitsperlong.h 2009-06-11 21:02:14 +02:00
bug.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
bugs.h sh: Add support for SH7201 CPU subtype. 2008-12-22 18:43:50 +09:00
byteorder.h byteorder: make swab.h include asm/swab.h like a regular header 2009-01-14 19:56:50 -08:00
cache.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cacheflush.h sh: Handle shm_align_mask also for HAVE_ARCH_UNMAPPED_AREA_TOPDOWN. 2009-05-07 16:38:16 +09:00
checksum.h sh: Convert sh64 to use the generic checksum code. 2009-06-15 00:00:42 +09:00
checksum_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
clock.h sh: add enable()/disable()/set_rate() to div6 code 2009-06-11 09:12:58 +03:00
cmpxchg-grb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cmpxchg-irq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cmpxchg-llsc.h sh: Fix sh4a llsc-based cmpxchg() 2009-06-11 09:31:55 +03:00
cpu-features.h sh: Support for extended ASIDs on PTEAEX-capable SH-X3 cores. 2009-03-17 17:49:49 +09:00
cputime.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
current.h sh: Convert to asm-generic/current.h. 2009-06-14 21:34:26 +09:00
delay.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
device.h sh: Add plat_early_device_setup() 2009-04-19 13:06:25 +09:00
div64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
dma-mapping.h sh: Fix up more dma-mapping fallout. 2009-06-23 17:36:23 +09:00
dma-sh.h sh: Add SH7724 DMAC support. 2009-08-04 14:41:49 +09:00
dma.h sh: Convert to asm-generic/dma.h. 2009-06-14 21:45:06 +09:00
dmabrg.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
dwarf.h sh: Delete DWARF_ARCH_UNWIND_OFFSET 2009-08-14 05:00:21 +09:00
elf.h Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2008-12-28 12:33:21 -08:00
emergency-restart.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
entry-macros.S sh: Setup the frame register in asm code 2009-08-14 01:59:55 +09:00
errno.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
fb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
fcntl.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
fixmap.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
flat.h flat: fix data sections alignment 2009-05-29 08:40:02 -07:00
fpu.h sh: Add FPU registers to regset interface. 2008-09-21 19:04:55 +09:00
freq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ftrace.h sh: Function graph tracer support 2009-07-11 10:08:01 +09:00
futex-irq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
futex.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
gpio.h sh: use gpiolib 2009-01-27 14:49:10 +09:00
hardirq.h sh: convert to asm-generic/hardirq.h 2009-08-05 17:56:07 +09:00
hd64461.h sh: mach-hp6xx: Fix up the hp6xx build for hd64461 changes. 2009-05-20 11:27:13 +09:00
heartbeat.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
hugetlb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
hw_irq.h sh: Move the shared INTC code out to drivers/sh/ 2008-10-01 16:13:54 +09:00
hwblk.h sh: Add support for multiple hwblk counters 2009-07-20 04:23:39 +09:00
i2c-sh7760.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ilsel.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
io.h sh: Provide __read_{read,write}sl() definitions for sh64. 2009-05-09 14:44:30 +09:00
io_generic.h sh: More I/O routine overhauling. 2008-10-04 05:25:52 +09:00
io_trapped.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ioctl.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ioctls.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ipcbuf.h sh: Convert ipc/shm bits to their asm-generic versions. 2009-06-14 23:20:27 +09:00
irq.h sh: Tidy up duplication in irq/swab/timex.h. 2009-06-14 23:21:54 +09:00
irq_regs.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irqflags.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irqflags_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irqflags_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
kdebug.h sh: Wire up oops reporting in the die notifier chain. 2008-10-21 18:33:36 +09:00
kexec.h kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
kgdb.h sh: Generic kgdb stub support. 2008-12-22 18:44:04 +09:00
kmap_types.h kmap_types: make most arches use generic header file 2009-06-16 19:47:51 -07:00
kprobes.h sh: Rename opcode_t to insn_size_t. 2009-05-09 16:02:08 +09:00
linkage.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
lmb.h sh: Use bootmem ontop of lmb 2009-07-03 16:16:54 +09:00
local.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
machvec.h sh: boot word / mode pin support V2 2009-06-01 15:44:49 +09:00
mc146818rtc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mman.h sh: Switch to asm-generic versions for identical headers. 2009-06-14 23:26:48 +09:00
mmu.h sh: Sanitize asm/mmu.h for assembly use. 2009-03-31 07:42:37 +09:00
mmu_context.h sh: Conver to asm-generic/mmu_context.h. 2009-06-14 23:23:41 +09:00
mmu_context_32.h sh: Support for extended ASIDs on PTEAEX-capable SH-X3 cores. 2009-03-17 17:49:49 +09:00
mmu_context_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mmzone.h sh: Fix up NUMA build error with se7722_defconfig. 2008-09-12 22:41:30 +09:00
module.h sh: Convert to asm-generic/module.h. 2009-06-14 23:24:14 +09:00
msgbuf.h sh: Convert ipc/shm bits to their asm-generic versions. 2009-06-14 23:20:27 +09:00
mutex-llsc.h sh: Fix up T-bit error handling in SH-4A mutex fastpath. 2009-01-29 11:56:03 +09:00
mutex.h sh: Add SH-4A optimized fastpath mutex implementation. 2008-12-22 18:42:55 +09:00
page.h asm-generic: rename page.h and uaccess.h 2009-06-11 21:02:17 +02:00
param.h sh: Switch to asm-generic versions for identical headers. 2009-06-14 23:26:48 +09:00
parport.h sh: Switch to asm-generic versions for identical headers. 2009-06-14 23:26:48 +09:00
pci.h Delete pcibios_select_root 2009-06-17 14:04:42 -07:00
percpu.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
perf_counter.h sh: define PERF_COUNTER_INDEX_OFFSET. 2009-07-03 13:08:28 +09:00
pgalloc.h mm: Remove duplicate definitions in MIPS and SH 2009-07-27 17:26:44 -07:00
pgtable.h sh: Handle shm_align_mask also for HAVE_ARCH_UNMAPPED_AREA_TOPDOWN. 2009-05-07 16:38:16 +09:00
pgtable_32.h sh: Provide _PAGE_SPECIAL for 32-bit. 2009-07-22 16:50:57 +09:00
pgtable_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
poll.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
posix_types.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
posix_types_32.h sh: Convert to asm-generic/posix_types.h. 2009-06-14 23:16:27 +09:00
posix_types_64.h sh: Convert to asm-generic/posix_types.h. 2009-06-14 23:16:27 +09:00
processor.h sh: rework mode pin code 2009-06-11 09:08:53 +03:00
processor_32.h sh: Fix up DSP context save/restore. 2009-04-04 11:48:11 -04:00
processor_64.h SH: fix start_thread and user_stack_pointer macros 2009-01-29 15:41:15 +09:00
ptrace.h sh: Add in some ptrace definitions from GDB. 2009-05-09 00:06:03 +09:00
push-switch.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
resource.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
rtc.h sh: rtc-generic support. 2009-04-27 17:34:39 +09:00
rwsem.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
scatterlist.h sh: Convert to asm-generic/scatterlist.h. 2009-06-14 23:25:04 +09:00
seccomp.h sh: seccomp support. 2008-08-02 04:39:32 +09:00
sections.h sh: dwarf unwinder support. 2009-08-14 01:58:43 +09:00
segment.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sembuf.h sh: Convert ipc/shm bits to their asm-generic versions. 2009-06-14 23:20:27 +09:00
serial.h sh: Switch to asm-generic versions for identical headers. 2009-06-14 23:26:48 +09:00
setup.h sh: Derive COMMAND_LINE_SIZE from asm-generic/setup.h. 2009-06-14 23:27:41 +09:00
sfp-machine.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sh7760fb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sh_bios.h sh: Kill off sh_bios_in_gdb_mode(). 2008-12-22 18:44:44 +09:00
sh_eth.h [netdrvr] sh_eth: Add SH7619 support 2008-08-07 02:20:57 -04:00
sh_keysc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
shmbuf.h sh: Convert ipc/shm bits to their asm-generic versions. 2009-06-14 23:20:27 +09:00
shmparam.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sigcontext.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
siginfo.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
signal.h sh: Convert to asm-generic/signal.h. 2009-06-14 23:25:57 +09:00
sizes.h sh: Add a few more definitions to asm/sizes.h. 2008-09-21 10:31:57 +09:00
smc37c93x.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
smp.h cpumask: arch_send_call_function_ipi_mask: sh 2009-06-14 18:24:14 +09:00
socket.h sh: Switch to asm-generic versions for identical headers. 2009-06-14 23:26:48 +09:00
sockios.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sparsemem.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
spi.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
spinlock.h sh: Fix sh4a llsc-based cmpxchg() 2009-06-11 09:31:55 +03:00
spinlock_types.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
stacktrace.h sh: Use the generalized stacktrace ops 2009-08-13 11:50:08 +09:00
stat.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
statfs.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
string.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
string_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
string_64.h sh: Add SH-5 optimized memcpy()/memset()/strcpy()/strlen(). 2008-12-22 18:44:05 +09:00
suspend.h sh: cpuidle for SuperH Mobile using hwblk 2009-07-05 00:29:54 +09:00
swab.h sh: Tidy up duplication in irq/swab/timex.h. 2009-06-14 23:21:54 +09:00
syscall.h sh: Provide the asm/syscall.h interface, needed by tracehook. 2008-09-12 22:13:13 +09:00
syscall_32.h sh: Add ftrace syscall tracing support 2009-07-06 20:16:33 +09:00
syscall_64.h sh: Fix up spurious syscall restarting. 2009-01-29 11:56:03 +09:00
syscalls.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
syscalls_32.h [CVE-2009-0029] Remove __attribute__((weak)) from sys_pipe/sys_pipe2 2009-01-14 14:15:15 +01:00
syscalls_64.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
system.h sh: Provide cpu_idle_wait() to fix up cpuidle/SMP build. 2009-06-23 17:30:17 +09:00
system_32.h sh: Rename opcode_t to insn_size_t. 2009-05-09 16:02:08 +09:00
system_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
termbits.h sh: Convert to asm-generic/termbits.h and termios.h. 2009-06-14 23:17:57 +09:00
termios.h sh: Convert to asm-generic/termbits.h and termios.h. 2009-06-14 23:17:57 +09:00
thread_info.h Merge branches 'sh/ftrace' and 'sh/stable-updates' 2009-07-11 10:08:33 +09:00
timex.h sh: Tidy up duplication in irq/swab/timex.h. 2009-06-14 23:21:54 +09:00
tlb.h mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() 2009-07-27 12:10:38 -07:00
tlb_64.h sh: Fix up broken kerneldoc comments. 2008-08-04 12:51:06 +09:00
tlbflush.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
topology.h cpumask: remove the now-obsoleted pcibus_to_cpumask(): sh 2009-06-14 18:24:13 +09:00
types.h sh: Convert to asm-generic/types.h. 2009-06-14 23:25:27 +09:00
uaccess.h sh: Proper __put_user_asm() size mismatch fix. 2008-07-29 09:16:33 +09:00
uaccess_32.h sh: Proper __put_user_asm() size mismatch fix. 2008-07-29 09:16:33 +09:00
uaccess_64.h sh: sh_ksyms_64 needs __strncpy_from_user() definition. 2008-09-29 19:45:16 +09:00
ubc.h sh: Fix UBC setup and registers for SH2A 2009-05-09 00:09:21 +09:00
ucontext.h sh: Switch to asm-generic versions for identical headers. 2009-06-14 23:26:48 +09:00
unaligned-sh4a.h sh: 16-bit get_unaligned() sh4a fix 2009-06-04 20:20:24 +09:00
unaligned.h sh: Convert to asm-generic/unaligned.h. 2009-06-14 23:24:43 +09:00
unistd.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
unistd_32.h sh: Wire up sys_perf_counter_open. 2009-06-12 01:33:22 +03:00
unistd_64.h sh: Wire up sys_perf_counter_open. 2009-06-12 01:33:22 +03:00
unwinder.h sh: Allow multiple stack unwinders to be setup 2009-08-13 19:49:03 +09:00
user.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
vga.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
vmlinux.lds.h sh: dwarf unwinder support. 2009-08-14 01:58:43 +09:00
watchdog.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
xor.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00